superfinish | REM Surface Engineering

Materials Matter : Roughness Measurement: Optical vs. Contact Stylus Profilometry

Posted by Mark Michaud on Sunday, April 19th, 2020 in

Optical profilometry will become an important tool for predicting gear performance with more research and development of an objective lens to fit into tooth spaces....

A Comparison of Surface Roughness Measurement Methods for Gear Tooth Working Surfaces

Posted by Mark Michaud on Friday, October 25th, 2019 in

Surface roughness is a critical parameter for gears operating under a variety of conditions. It directly influences friction and contact temperature, and therefore has an impact on various failure modes such as macropitting, micropitting and scuffing...

Vibratory Media Compositions vs. Attrition and Density

Posted by Bill Nebiolo on Tuesday, October 1st, 2019 in

The third in our multi-part series on vibratory processing of gears is focused on understanding how media of different compositions have varying attrition rates and densities, and why these are important in vibratory finishing of gears. ...

AN ANALYSIS OF A LOSS OF LUBRICATION TEST OF ISOTROPIC SUPERFINISHED GEARS WITHOUT BLACK OXIDE COATING

Materials Matter : Surface Finishing Rotorcraft Gearing

Posted by Danny Estrada on Wednesday, October 3rd, 2018 in

Rotorcraft gearboxes are designed with the utmost precision to withstand the tremendous demand and loads required to convert thousands of horsepower and RPM into hundreds of RPM and lift torque....

Gear Expo Live! Ask the Expert with Mark Michaud

Posted by Mark Michaud on Friday, February 23rd, 2018 in

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Materials Matter: Nitriding’s “White Layer” and Isotropic Superfinishing

Posted by Nathan Michaud on Thursday, August 24th, 2017 in

Developed in the early 20th century, nitriding has evolved into a standard process across many industrial applications. Often considered the simplest technique for case hardening, the process is commonplace in aircraft manufacturing, bearings, automo...

Gear Repair for Helicopters and Wind Turbines via Isotropic Superfinishing

Posted by Justin Michaud on Tuesday, June 6th, 2017 in

The wind turbine, aerospace, and helicopter gear industries recognize the importance of surface finish and surface texture for maximizing component and system performance. ...

Oil-Out Endurance Under the Lens

Posted by Danny Estrada on Friday, March 31st, 2017 in

Oil-out conditions, or conditions in which an aircraft is operating without any oil in its gearbox or transmission, are devastating for an aircraft's hardware....

Materials Matter: Additive Manufacturing: Challenges, Possibilities, and the Gear Industry

Posted by Justin Michaud on Thursday, March 30th, 2017 in

Additive Manufacturing (AM) is a technology that has the potential to fundamentally alter manufacturing, specifically metal manufacturing. The ability to design complex shapes, which could not otherwise be manufactured, coupled with a significant red...

The Rapid ISF® Process

Posted by Danny Estrada on Thursday, August 23rd, 2012 in

REM Surface Engineering's automotive process, Rapid ISF® (Isotropic Superfinishing), is able to produce a planar surface of Ra .1 µm or less in 4 minutes. The Rapid ISF Process increases fuel efficiency and power density and is compatible with a ju...

REM ISF (Isotropic Superfinish) Process Overview

Posted by Danny Estrada on Friday, June 1st, 2012 in

REM Surface Engineering's ISF Process Overview. A basic understanding of superfinishing for metal components....

Materials Matter: Lambda Ratio

Posted by Justin Michaud on Friday, October 21st, 2016 in

The lambda ratio was originally developed to quantify the quality of lubricant operating regimes relative to bearing performance....